Inspection And Maintenance Process For Typical Error - Haier DW-40L92 Service Manual

【Inspection and Maintenance Process for Typical Error】

Problem points
1. the press can not start
2. High temperature inside the
refrigerator
3. The screen
doesn't display
temperature.
4. Big noise
Reason analysis
1. The fuse is burned out.
2. Connecting parts of cabinet is
damaged.
3. The connecting line for electric
cabinet is not in right position.
4. The temperature controller is in
error.
5. The starter or thermal protector
is damaged.
6. The press is in error.
1. The set temperature is high.
2. The freezing agent is leaking.
3. The temperature controller is
damaged.
4. The capillary or system is dirt
and stopped.
It displays 1. The temperature-sensing probe
F1. is in short or open circuit.
2. Without temperature sensing
probe.
1. The refrigerator is not even.
2. Sympathetic vibration between
pipelines or refrigerators when
press operating.
3. Fan and fan bracket is loosen.
3. Connection bolts of the press is
loosened.
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Maintenance measures
Change the fuse
Change socket connector.
Install correctly after inspection.
Adjust parameters.
temperature controller
damaged, change it.
Change the starter or thermal
protector.
Change press.
Reset
Find leaking point and weld. Refill
freezing agent.
Change the
controller.
Clean capillary or change filter.
Inspect the temperature sensing
probe.
Install temperature sensing probe.
Change position of the refrigerator.
Clear up the pipelines to avoid
sympathetic vibration.
Re-fix
Tight the inner connecting bolts.
If the
is
temperature